<template>
  <div>
    <h1>人员列表</h1>
    <h3 style="color: blue">Count组件求和为: {{ sum }}</h3>
    <input type="text" placeholder="请输入名字" v-model="name">
    <button @click="add">添加</button>
    <ul>
        <li v-for="p in personList" :key="p.id">{{ p.name }}</li>
    </ul>
  </div>
</template>

<script>
    import {nanoid} from 'nanoid'
    // import {mapState} from 'vuex'
    export default {
        name: 'Person',
        data() {
            return {
                name: ''
            }
        },
        computed: {
            personList(){
                return this.$store.state.personList
            },
            sum(){
                return this.$store.state.sum
            }
            // ...mapState(['personList'])
        },
        methods: {
            add(){
                const personObj = {id: nanoid(), name: this.name}
                this.$store.commit('ADD_PERSON', personObj)
                this.name = ''
            }
        },
    }
</script>

<style>

</style>